Mumbai, July 20 -- Indian Overseas Bank, Gabriel India Ltd, Punjab National Bank, Gallantt Ispat Ltd. are among the other stocks to see a surge in volumes on NSE today, 20 July 2026.Supreme Petrochem Ltd witnessed volume of 10.62 lakh shares by 14:14 IST on NSE, a 27.38 times surge over two-week average daily volume of 38795 shares. The stock increased 2.85% to Rs.713.70. Volumes stood at 77918 shares in the last session.Indian Overseas Bank witnessed volume of 222.07 lakh shares by 14:14 IST on NSE, a 8.3 times surge over two-week average daily volume of 26.75 lakh shares. The stock increased 3.72% to Rs.35.11. Volumes stood at 16.65 lakh shares in the last session.Gabriel India Ltd notched up volume of 33.19 lakh shares by 14:14 IST on ...